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NEW QUESTION # 10
Which of the following standards and criteria version of SWGDE mandates that any action with the potential to alter, damage, or destroy any aspect of original evidence must be performed by qualified persons in a forensically sound manner?
Answer: A
Explanation:
The statement in the question matchesSWGDE Principle 1, Standards and Criteria 1.7, which explicitly requires thatany action that could alter, damage, or destroy original digital evidence must be performed by qualified personnel in a forensically sound manner. In digital forensics doctrine, this requirement exists because digital evidence is highly fragile: routine interactions (booting a system, opening a file, connecting storage, running commands) can change timestamps, overwrite unallocated space, modify logs, or trigger encryption/key rotation. SWGDE's emphasis on "qualified persons" and "forensically sound manner" aligns with core evidentiary expectations: minimizing changes to original media, using controlled and repeatable methods (e.g., write-blocking, validated imaging, documented procedures), and ensuring actions are defensible under scrutiny.
Options 1.1, 1.3, and 1.5 relate to broader quality and procedural requirements (quality systems, SOP review, appropriate tools), but they do not contain the specific mandate about potentially altering original evidence.
The exact phrasing about alteration/damage/destruction and qualified handling is associated withStandards and Criteria 1.7, makingBthe correct choice.
NEW QUESTION # 11
Alice and John are close college friends. Alice frequently sends emails to John attaching her pics with friends.
One day, Alice sent an email to John describing all the details related to the final year project without specifying the actual purpose. John missed the message as he frequently receives emails from her and did not arrive for a project seminar.
Which of the following email fields could Alice have used in the above scenario to highlight the importance of the email?
Answer: C
Explanation:
TheSubjectfield is the primary email header element used to communicate thepurpose and urgencyof a message at a glance. Digital forensics training emphasizes that email messages consist ofheaders(routing and descriptive metadata) and abody(content). Among user-visible header fields, the Subject line is specifically intended to summarize what the email is about, helping recipients prioritize and correctly interpret the message without opening it. In the scenario, John routinely receives casual emails from Alice (often with pictures). When Alice sent a project-related email "without specifying the actual purpose," John treated it like routine mail and overlooked its significance. A clear, descriptive subject such as "Final Year Project Seminar
- Attendance Required" would have flagged the message as time-sensitive and different from her usual emails, reducing the chance it would be missed.
The other options do not serve this purpose.Dateis automatically assigned and mainly supports ordering and timeline reconstruction rather than highlighting importance.CcandBcccontrol who receives copies and can affect visibility or secrecy, but they do not summarize intent for the recipient. Therefore, the field best suited to highlight importance isSubject (A).
NEW QUESTION # 12
Which of the following measures is defined as the time to move read or write disc heads from one point to another on the disk?
Answer: A
Explanation:
Seek timeis the specific performance measure that describes how long a hard disk drive's actuator takes tomove the read/write heads across the plattersfrom the current track (cylinder) to the target track where the requested data resides. In traditional magnetic HDDs, the heads must be physically repositioned before any sector can be read or written, making seek time a core component of mechanical latency.
Digital forensics materials emphasize understanding this distinction because HDD mechanical behavior affectsacquisition duration, the feasibility of repeated scans, and why imaging or carving operations can take longer on fragmented media. It also helps explain why solid-state drives (SSDs), which have no moving heads, do not have seek time in the same sense and therefore behave differently during large-scale reads.
The other choices are broader or unrelated:access timetypically refers to thetotal time to retrieve data, commonly combiningseek time + rotational latency + transfer time.Delay timeis not the standard term for head movement in disk performance definitions.Mean timeis incomplete as written and is usually part of reliability metrics like mean time between failures, not head positioning. Therefore, the correct measure for head movement time isSeek time (C).
NEW QUESTION # 13
Benoy, a security professional at an organization, extracted Apache access log entries to view critical information about all the operations performed on a web server. The Apache access log extracted by Benoy is given below:
"10.10.10.10 - Jason [17/Aug/2019:00:12:34 +0300] "GET /images/content/bg_body_1.jpg HTTP/1.0" 500
1458"
Identify the HTTP status code in the Apache access log entry above that indicates the response was successful.
Answer: B
Explanation:
In the Apache Combined/Custom access log format, the value immediately after the quoted request (here," GET ... HTTP/1.0") is theHTTP status codereturned by the server. In the provided entry, that field is500.
From a forensic analysis standpoint, recognizing field positions matters because investigators correlate client IPs, timestamps, requested resources, and server outcomes to reconstruct attack timelines and identify failed exploitation attempts or misconfigurations.
It is important to note thatsuccessful HTTP responses are typically in the 2xx range, most commonly200 (OK), while3xxindicates redirects,4xxindicates client-side errors (such as 404 Not Found), and5xxindicates server-side failures. Specifically,500represents anInternal Server Error, meaning the server encountered an unexpected condition and could not fulfill the request successfully.
The other options are not HTTP status codes in this entry:+0300is the timezone offset in the timestamp,1.0is the HTTP protocol version, and2019is part of the date. Therefore, the only HTTP status code present-and the correct choice among the options-is500 (B), even though it reflects an error rather than success.
NEW QUESTION # 14
Which of the following Windows system files is created in the system drive after OS installation to support the internal functions and system service dispatch stubs to executive functions?
Answer: D
Explanation:
Ntdll.dllis the Windows user-mode system library that provides manyinternal NT functions(commonly exposed as "NT Native API" routines such asNt*/Zw*) and, critically, contains thesystem service dispatch stubsused by user-mode code to transition into kernel mode for operating system services. In standard Windows architecture, most user-mode applications call higher-level APIs (for example, Win32 APIs inKernel32.dll), which then ultimately rely onNtdll.dllto perform the final step of invoking the kernel through these system call stubs. This is whyNtdll.dllis a core component loaded into nearly every process and is tightly associated with the boundary between user mode and theexecutivecomponents of the OS.
From a forensics viewpoint, understandingNtdll.dllmatters because it is central to how processes request privileged services, and it is frequently referenced in analyses of process execution, API call chains, and certain user-mode hooking techniques used by malware or anti-forensics tools.
By contrast,Ntoskrnl.exeis the kernel image itself (core kernel/executive),Win32k.sysis a kernel-mode graphics/windowing subsystem component, andKernel32.dllprovides higher-level Win32 APIs rather than the primary system-call stub layer. Hence,Ntdll.dll (C)is the correct answer.
NEW QUESTION # 15
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